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/* $Id$ */
/*
* Copyright (c) 2012 Dimitri Sokolyuk <demon@dim13.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, dATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "dcpu16.h"
void (*emu)(unsigned short *, unsigned short *);
void
dumpcode(unsigned short *m, unsigned short *r)
{
int i, k, sum;
for (i = 0; i < MEMSZ; i += 8) {
sum = 0;
for (k = 0; k < 8; k++)
sum += m[i + k];
if (!sum)
continue;
printf("%4.4x:", i);
for (k = 0; k < 8; k++)
printf("%5.4x", m[i + k]);
printf("\n");
}
}
void
usage(void)
{
extern char *__progname;
(void)fprintf(stderr, "Usage: %s [-eg]\n", __progname);
exit(1);
}
int
main(int argc, char **argv)
{
unsigned short *m;
unsigned short r[nReg] = { 0 };
FILE *fd;
int ch;
emu = dumpcode;
while ((ch = getopt(argc, argv, "eg")) != -1)
switch (ch) {
case 'e':
emu = tuiemu;
break;
case 'g':
emu = guiemu;
break;
default:
usage();
/* NOTREACHED */
}
argc -= optind;
argv += optind;
if (!argc)
usage();
fd = fopen(*argv, "r");
if (!fd)
err(1, "cannot open file");
m = compile(fd, MEMSZ);
fclose(fd);
if (!m)
errx(1, "compilation errors");
emu(m, r);
return 0;
}
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